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Radiofrequency (RF) ablation of the critical isthmusbetween the tricuspid annulus and the inferior venacava is commonly used to treat typical atrial flutter(AFL).This has become the first line therapy in Europeand in the US due to its high success rate and significantimprovement in quality of life compared withconventional medical therapy. Sizeable lesions arerequired to achieve persistent bidirectional conductionblock (BCB), which is the best endpoint to ensurelong-term success.Cooling the ablation electrode byirrigation has been shown to prevent both overheating ofthe electrode-tissue interface and impedance rise during
Radiofrequency (RF) ablation of the critical isthmus between the tricuspid annulus and the inferior venacava is commonly used to treat typical atrial flutter (AFL). This has become the first line therapy in Europe and in the US due to its high success rate and significant improvement in quality of life compared withconventional medical therapy. Sizeable lesions arerequired to achieve persistent bidirectional conduction block (BCB), which is the best endpoint to ensure long-term success. Cooling the ablation electrode byirrigation has been shown to prevent both overheating of the electrode-tissue interface and impedance rise during